IMG 0837 IMG 0838 IMG 0839 IMG 0840
IMG 0841 IMG 0842 IMG 0843 IMG 0844
IMG 0845 IMG 0846 IMG 0847 IMG 0848
IMG 0849 IMG 0850 IMG 0851 IB7
IB7-labeled IB7-labeled IMG 0847-fix IB7-downstream
IB7-downstream Ib7-upstream Ib7-upstream